http://xforce.iss.net/xforce/xfdb/65436
http://www.zerodayinitiative.com/advisories/ZDI-11-088
http://www.vupen.com/english/advisories/2011/0424
http://www.securitytracker.com/id?1025088
http://www.securityfocus.com/bid/46420
http://www.securityfocus.com/archive/1/archive/1/516505/100/0/threaded
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b6cee6.shtml
http://secunia.com/advisories/43393
http://secunia.com/advisories/43383